A file named -XCI-.7z likely indicates it's a 7z compressed archive of an XCI file. Essentially, someone has taken an XCI file (a game cartridge image) and compressed it into a 7z archive, likely to reduce its size for sharing or storage.
If you do proceed with extracting and running such a file, ensure your antivirus is active, verify the checksums against known Scene release logs, and never—ever—run executables inside an archive that claims to be a game dump. Tears of the Kingdom -XCI-.7z
Released on , Tears of the Kingdom expanded Hyrule by adding sky islands and a vast underground realm called the Depths. A file named -XCI-
